BB LRGPHOR Ch9 - Rabbit colony management

Question 1

1. Concerning rabbit caging in laboratory animal facilities:
   a. openings in the cage floor for fecal passage should be approximately 0.5-0.7 inches
   b. ulcerative pododermatitis has long been associated with rabbits housed on plastic compact floor.
   c. a 7 Kg female with litter should be provided with at least 0,4 m2 of floor space.
   d. all the above

Answer 1

a

Question 2

For rabbit breeding studies, a 16 –hour light: 8-hour dark cycle has been recommended.

Answer 2

True

Question 3

6. What noise levels will probably cause auditory damage in rabbits?

Answer 3

> 85 db

Question 4

7. In which humidity range will be a rabbit more comfortable?

Answer 4

30-40 %

Question 5

8. True or False: Recirculating air supply system is highly recommended in rabbit facilities.

Answer 5

FALSE

Question 6

9. Briefly explain the reason why in general, all rabbits are held in negative air pressure differential to adjacent spaces.

Answer 6

To help contain allergens and the large amount of hair these animal shed.

Question 7

16. (Complete) Rabbit cages present a difficult sanitation because they excrete significant amounts of _________ in their urine which forms ________ __________ that adhere to the cages.

Answer 7

calcium / calcium carbonate

Question 8

17. True or False: Primary rabbit enclosures must be cleaned at least once per month.

Answer 8

True

Question 9

21. True or False: It has been reported that hormone stabilization after shipping is recovered within 72 h.

Answer 9

True

Question 10

25. True or False: Human social interaction is not considered as environmental enrichment.

Answer 10

FALSE

Question 11

26. (Choose the False) Group housing in rabbits:
    a .food intake monitoring is difficult
    b .pens are usually bedded
    c. male rabbits have displayed preference to be housed together
    d. group-housed rabbits show less stereotypical disorders compared to single-caged rabbits.

Answer 11

c

Question 12

27. True or False: No differences in immunological responses have been found between dominant and submissive rabbits in a group-housing environment

Answer 12

True

Question 13

29. True or False: Does should be bred as soon after maturity to achieve a successful reproductive performance

Answer 13

True

Question 14

31. True or False: Bucks should always be brought to the doe’s cage for breeding to avoid aggression

Answer 14

FALSE

Question 15

34. Regarding rabbit gestation:
    a. Pregnancy is usually determined by radiograpy by day 8
    b. Pseudopregnancy is not possible in rabbits because the corpora lutea doesn’t persist.
    c. The average length of gestation is 31-32 days
    d. Rabbits do not show overt signs of pregnancy until very late in gestation

Answer 15

d

Question 16

T/F. Nursing takes place once per day.

Answer 16

True

Question 17

40. True or False: Rabbits primarily eat at night and in the early morning when fed ad libitum.

Answer 17

True

Question 18

41. True or False: A 24 hour period of anorexia in the rabbit is an indicator of disease.

Answer 18

FALSE

Question 19

42. The optimum pellet size for rabbits would be:

Answer 19

0,63 cm long and 0,47 cm in diameter

Question 20

43. True or False: Rabbits appear to have a distinct preference for salted feeds

Answer 20

FALSE

Question 21

4. Which plant is the primary ingredient of the commercial rabbit diets?

Answer 21

alfalfa

Question 22

47. An optimal feed composition for an adult male rabbit would be:

Answer 22

17 % protein, 20 % fiber

Question 23

48. True or False: Low fiber diets can lead to enteritis in rabbits.

Answer 23

True

Question 24

49. True or False: Rabbits are known to have a very low circulation serum calcium levels compared to other animals

Answer 24

FALSE

Question 25

50. True or False: Fur chewing that leads to Trichobezoars is related to low-fiber diets.

Answer 25

True